CVE-2025-4207
mediumpriority · track · 0EPSS 0.008 · 55 %ileDEEURUUSEPSS · scored 2026-10-27
Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (34)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0986PostgreSQL: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-05-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PostgreSQL ausnutzen, um einen Denial of Service Angriff durchzuführen.
- WID-SEC-W-2025-1439Dell Secure Connect Gateway: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2025-06-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Secure Connect Gateway ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
- WID-SEC-W-2026-1118Dell PowerProtect Data Domain OS: Mehrere SchwachstellenDeutsch2026-04-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell PowerProtect Data Domain OS ausnutzen, um beliebigen Code auszuführen – sogar mit Root-Rechten –, um erweiterte Rechte zu erlangen – einschließlich Administratorrechte –, um Sicherheitsmaßnahmen zu umgehen, um Daten zu manipulieren, um vertrauliche Informationen offenzulegen oder um andere, nicht näher spezifizierte Angriffe durchzuführen.
- BIT-postgresql-2025-4207PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation2025-05-10vendor · osvUS
Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://vigilance.fr/vulnerability/PostgreSQL-out-of-bounds-memory-reading-via-GB18030-Encoding-Validation-47104cnnvd
- https://www.postgresql.org/download/Patchcnnvd
- https://www.postgresql.org/support/security/CVE-2025-4207/cnnvd
- https://www.postgresql.org/support/security/CVE-2025-4207/enisa_euvd
- http://www.openwall.com/lists/oss-security/2025/05/09/3nvd
- https://lists.debian.org/debian-lts-announce/2025/05/msg00011.htmlnvd
- https://www.postgresql.org/support/security/CVE-2025-4207/nvd
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